ATI RN
Pediatric Integumentary NCLEX Quizlet Questions
Question 1 of 5
Dermal melanosis is the most frequently encountered congenital pigmented lesion that gradually disappears during the first few years of life. Of the following, the site that is MOST likely to have persistence of these lesions is
Correct Answer: A
Rationale: Dermal melanosis (Mongolian spots) persists most often in the lumbosacral area beyond early childhood.
Question 2 of 5
A 7-year-old girl develops red macules that coalesce into large patches distributing over more than half of the body especially the face and trunk; the lesions evolve rapidly into bullae. Her lips are swollen and red with erosion of the oral mucosa. She has also bilateral conjunctival injections and erosions. She has a history of fever, malaise, and upper respiratory symptoms ten days before. Of the following, the MOST likely diagnosis is
Correct Answer: C
Rationale: Toxic epidermal necrolysis (TEN) is likely due to extensive skin involvement, bullae, and mucosal erosions, often triggered by drugs or infections.
Question 3 of 5
Collagen lends to the skin.
Correct Answer: B
Rationale: Collagen is a key protein in the dermis that provides structural support and strength to the skin, not elasticity (which is due to elastin), color, or UV protection.
Question 4 of 5
Eccrine sweat glands
Correct Answer: B
Rationale: Eccrine sweat glands are distributed across the body and secrete a watery sweat to regulate temperature, unlike sebaceous glands which produce sebum.
Question 5 of 5
One of the functions of the integumentary system is protection. Which of the following does not directly contribute to that function?
Correct Answer: C
Rationale: Folic acid synthesis is not a protective function of the skin; the other options (stratum lucidum, desmosomes, Merkel cells) contribute to structural integrity or sensation.